Hi Geert,
On Wed, Aug 26, 2015 at 4:29 PM, Geert Uytterhoeven
<ge...@linux-m68k.org> wrote:
> Hi Stephen,
>
> On Wed, Aug 26, 2015 at 12:46 AM, Stephen Boyd <sb...@codeaurora.org> wrote:
>>> --- /dev/null
>>> +++ b/drivers/clk/shmobile/clk-rcar-gen3.c
>
>>> +
>>> +/*
>>> + * Reset register definitions.
>>> + */
>>> +#define MODEMR 0xe6160060
>>> +
>>> +static u32 rcar_gen3_read_mode_pins(void)
>>> +{
>>> + static u32 mode;
>>> + static bool mode_valid;
>>> +
>>> + if (!mode_valid) {
>>> + void __iomem *modemr = ioremap_nocache(MODEMR, 4);
>>> +
>>> + BUG_ON(!modemr);
>>> + mode = ioread32(modemr);
>>> + iounmap(modemr);
>>> + mode_valid = true;
>>> + }
>>> +
>>> + return mode;
>>> +}
>>
>> Perhaps this should be read using a syscon?
>
> Like "[PATCH/RFC 00/11] ARM: shmobile: Let CPG use syscon for MD pin values"
> (http://www.spinics.net/lists/linux-clk/msg01478.html)?
>
> It wasn't so well received...
I happen to think it is a great idea. At the same time I'm too lazy to
step up. =)
Shall we reconsider making it mandatory for R-Car Gen3?
Cheers,
/ magnus
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
